Dissertations / Theses on the topic 'Stream flow'
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Timoner, Amer Xisca. "Stream biofilm responses to flow intermittency." Doctoral thesis, Universitat de Girona, 2014. http://hdl.handle.net/10803/283569.
Full textEls rius que experimenten una fase sense cabal (intermitència fluvial) són característics de les regions del món amb climes àrids i semi-àrids, com ara les regions de la Mediterrànies. Durant la fase seca es produeix la dessecació de la llera del riu i conseqüentment els microorganismes que creixen sobre aquests sediments estan exposats a la dessecació. El conjunt d’aquests microorganismes es coneix com a biofilm, el qual juga un paper clau en el processament de la matèria orgànica i en els cicles del carboni i nutrients, A més són a la base de la xarxa tròfica aportant energia als nivells tròfics superiors. L'objectiu principal d'aquesta tesi és entendre el funcionament del biofilm quan es dona la fase seca, pas clau per entendre i predir les implicacions que tenen els períodes creixents sense cabal en els cicles biogeoquímics i en el funcionament de l’ecosistema. Les respostes estructurals i funcionals del biofilm des d’un punt de vista cel·lular (algues i bacteris), així com també en el conjunt del biofilm (processos autotròfics i heterotròfics) es van investigar mitjançant dos estudis de camp
Edmunds, Matthew. "Stream surface seeding for flow visualisation." Thesis, Swansea University, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.678585.
Full textMitchem, Charles E. Jr. "A Comparative Study of Stream-Gaging Methods Employed in Nonpoint Source Pollution Studies in Small Streams." Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/9761.
Full textMaster of Science
Frost, Carwyn. "Flow direction effects on tidal stream turbines." Thesis, Cardiff University, 2016. http://orca.cf.ac.uk/98955/.
Full textHofstede, Coen Matthijs. "Ice Stream Dynamics: A Transition between Sheet Flow and Shelf Flow." Fogler Library, University of Maine, 2008. http://www.library.umaine.edu/theses/pdf/HofstedeCM2008.pdf.
Full textStokes, Christopher Richard. "The geomorphology of palaeo-ice streams : identification, characterisation and implications for ice stream functioning." Thesis, University of Sheffield, 2001. http://etheses.whiterose.ac.uk/14815/.
Full textWhitby, Benjamin. "Control of an axial flow tidal stream turbine." Thesis, Cardiff University, 2013. http://orca.cf.ac.uk/56450/.
Full textChan, Wing-yin Julia. "River channelization and flow regulation in Hong Kong /." Hong Kong : University of Hong Kong, 2002. http://sunzi.lib.hku.hk/hkuto/record.jsp?B25438918.
Full textRaina, Rajeev. "Development of a cell-based stream flow routing model." Thesis, Texas A&M University, 2003. http://hdl.handle.net/1969.1/2219.
Full textNauditt, Alexandra. "Understanding stream flow generation in sparsely monitored montane catchments." Thesis, University of Aberdeen, 2017. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=233935.
Full textHwang, Yeonsang. "Impact of input uncertainty in ensemble stream flow generation." Diss., Connect to online resource, 2005. http://wwwlib.umi.com/dissertations/fullcit/3178345.
Full textMelander, Lars. "Integrating Visual Data Flow Programming with Data Stream Management." Doctoral thesis, Uppsala universitet, Datalogi, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-286536.
Full textAri, Venkata Ramana. "Value Stream Mapping of Information Flow in Infrastructure Projects." Cleveland State University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=csu1282252085.
Full textStone, Mark Charles. "Natural stream flow fields measurements and implications for periphyton /." Online access for everyone, 2005. http://www.dissertations.wsu.edu/Dissertations/Spring2005/m%5Fstone%5F042705.pdf.
Full textO'Donnell, Brynn Marie. "The Flow Regime of Function: Influence of flow changes on biogeochemical processes in streams." Thesis, Virginia Tech, 2019. http://hdl.handle.net/10919/101660.
Full textMaster of Science
Welderufael, W. A., and Y. E. Woyessa. "Stream flow analysis and comparison of methods for base flow separation : case study of the Modder River basin in central South Africa." Interim : Interdisciplinary Journal, Vol 8, Issue 2: Central University of Technology Free State Bloemfontein, 2009. http://hdl.handle.net/11462/375.
Full textA stream flow at an outlet of a catchment can be entirely a base flow or direct flow or a combination of both. The base flow component of a stream is mainly contributed from the ground water storage which often is an open aquifer whereas the direct flow component is mainly the result of a direct response of a rainfall event. The Upper Modder river basin catchment is considered to be the origin of the Modder River which supplies water to Rustfontein Dam, situated at the outlet of the C52A with an area of 928 km2. Nine years of daily stream flow showed a continuous none zero discharge throughout the year. During the rainy season the discharge of the stream increases significantly. Thus, it is necessary to separate the direct and base flow of the stream in order to understand the important component that is more likely to be affected by different land use changes in a catchment. The Modder river daily mean flow at the inlet of Rustfontein dam (in Central South Africa) was analysed using four base flow separation methods, the Nathan & McMahon (N&M), the Chapman, Smakhtin & Watkins (S&W) method and the frequency duration analysis. All the methods gave higher percentage of the low flow component, except for the S&W method which underestimated it. The N&M filtering equation gave base flow components greater than 66% in 1999 and increased to 84% in 2007 while the Chapman equation revealed 65% and 74% in 1999 and 2007, respectively. Similarly, the frequency duration analysis gave 62% in 1999 and increased to 79% in 2007. The frequency duration analysis gave up to 13% lower percentage than the N&M (1990) filtering equation. The nine year base flow averages are 69%, 69% and 75% for frequency duration analysis, Chapman (1999) and N&M (1990) filtering equations, respectively. The result revealed that the Modder River is largely supplied by the ground water discharge. The result seemed to concur with the fact that for a semi-arid catchment such as the Modder river basin, with an average annual runoff coefficient of approximately 6%, the contribution of annual rainfall to direct runoff is very minimal.
Baudrit, Daniel 1957. "FLOW MEASUREMENT USING A SENSING DEVICE NEAR THE LIP OF A GATE (CANALS, OPEN CHANNEL FLOW)." Thesis, The University of Arizona, 1986. http://hdl.handle.net/10150/275569.
Full textBaker, Narelle Paula Marie. "The influence of subglacial hydrology on the flow of West Antarctic ice streams." Thesis, University of Cambridge, 2012. https://www.repository.cam.ac.uk/handle/1810/242375.
Full textHeinrich, Roland Adolf Eberhard. "Flat-plate leading edge receptivity to various free-stream disturbance structures." Diss., The University of Arizona, 1989. http://hdl.handle.net/10150/184860.
Full textHellum, Aren. "Intermittency and the viscous superlayer in a single stream shear layer." Diss., Connect to online resource - MSU authorized users, 2006.
Find full textMcParland, Daniel. "Empirical in-stream flow assessment tools for British Columbian channels." Thesis, University of British Columbia, 2013. http://hdl.handle.net/2429/45054.
Full textBurke, Nicholas Allan. "Travel time and flow characteristics of a small stream system." Thesis, Heriot-Watt University, 2002. http://hdl.handle.net/10399/426.
Full textRadspinner, Robert Ryan. "Development of Design Guidelines for In-Stream Flow Control Structures." Thesis, Virginia Tech, 2009. http://hdl.handle.net/10919/32334.
Full textMaster of Science
Imam, Bisher 1960. "Evaluation of disaggregation model in arid land stream flow generation." Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/277033.
Full textNiu, Qian. "An empirical study of environmental flow determination in Hong Kong streams." Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B43224118.
Full textHorton, Nial. "Influence of a turbulent stream flow on the subsurface flow through a regular porous matrix." Thesis, Available from the University of Aberdeen Library and Historic Collections Digital Resources, 2008. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=25938.
Full textHenry, Janell Christine. "Flow estimation for stream restoration and wetland projects in ungaged watersheds using continuous simulation modeling." Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/22021.
Full textMaster of Science
Kakouei, Karan [Verfasser]. "Predicting potential ecological effects of flow alterations using quantitative flow preferences of stream macroinvertebrates / Karan Kakouei." Berlin : Freie Universität Berlin, 2018. http://d-nb.info/117663450X/34.
Full textNgan, Patricia. "Kalman filter and its application to flow forecasting." Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/25948.
Full textApplied Science, Faculty of
Civil Engineering, Department of
Graduate
Heise, R. "Implementation of a two-stream fan in the CIRSTEL system /." Thesis, Stellenbosch : University of Stellenbosch, 2006. http://hdl.handle.net/10019.1/1076.
Full textBishop, Kevin Harold. "Episodic increases in stream acidity, catchment flow pathways and hydrograph separation." Thesis, University of Cambridge, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239601.
Full textDudley, John Richard. "Channel form, flow and sediment transport in a step-pool stream." Thesis, Loughborough University, 2007. https://dspace.lboro.ac.uk/2134/11850.
Full textAmoruso, Kenneth. "Independent control of a molten stream temperature and mass flow rate." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/40008.
Full textBrogan, Connor O'Beirne. "A Dam Conundrum: The Role of Impoundments in Stream Flow Alteration." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/85005.
Full textMaster of Science
Dunn, Daniel D. "Attacker-Induced Traffic Flow Instability in a Stream of Automated Vehicles." DigitalCommons@USU, 2015. https://digitalcommons.usu.edu/etd/4455.
Full textHalepoto, Imtiaz Ali. "Scheduling and flow control in CMT-SCTP." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2014. http://hdl.handle.net/10722/210189.
Full textPopa, Tiberiu. "Compiling Data Dependent Control Flow on SIMD GPUs." Thesis, University of Waterloo, 2004. http://hdl.handle.net/10012/1186.
Full textStewart, Rebecca M. "Land Cover Influences on Stream Nitrogen Dynamics During Storms." Thesis, Virginia Tech, 2012. http://hdl.handle.net/10919/76799.
Full textMaster of Science
Chadwick, Michael Andrew Joseph. "Effects of Nitrogen Deposition and Flow Permanence on Stream Organic Matter Dynamics." Fogler Library, University of Maine, 2003. http://www.library.umaine.edu/theses/pdf/ChadwickMAJ2003.pdf.
Full textToften, Terje HaÌŠkon. "Effects of free-stream turbulence on a jet in a cross-flow." Thesis, University of Hertfordshire, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241571.
Full textbin, Ali Nauman. "Operationalization of lean thinking through value stream mapping with simulation and FLOW." Doctoral thesis, Blekinge Tekniska Högskola, Institutionen för programvaruteknik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-00614.
Full textKyrke-Smith, Teresa Marie. "Ice-stream dynamics : the coupled flow of ice sheets and subglacial meltwater." Thesis, University of Oxford, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.629515.
Full textGillespie, Benjamin Robert. "Impacts of flow regulation and Artificial Floods in an upland stream ecosystem." Thesis, University of Leeds, 2014. http://etheses.whiterose.ac.uk/8017/.
Full textSeraj, Hossein. "Detection of Solids in a Flow Stream Using Ultrasonics and Advanced Algorithms." Thesis, Curtin University, 2021. http://hdl.handle.net/20.500.11937/88097.
Full textHolmes, Rachel. "Disturbances to the uniform stream flow of a fluid with free surface." Thesis, Holmes, Rachel (2014) Disturbances to the uniform stream flow of a fluid with free surface. PhD thesis, Murdoch University, 2014. https://researchrepository.murdoch.edu.au/id/eprint/27338/.
Full textAnderman, Evan R. Poeter Eileen P. "Field verification of stream-aquifer interactions Colorado School of Mines survey field, Golden, Colorado /." Fort Collins, Colo. : Colorado Water Resources Research Institute, Colorado State University, 1993. http://hdl.handle.net/10176/co:4527_ucsu61410169internet.pdf.
Full textThesis advisor: Eileen Poeter, Dept. of Geology and Geological Engineering. Includes bibliographical references (leaves 93-97). Includes bibliographical references (p. 93-97). Also available in print version.
Simkins, Richard M. "Response to Drought of a Stream Fish Assemblage in a High Elevation Stream in the Intermountain West." BYU ScholarsArchive, 2017. https://scholarsarchive.byu.edu/etd/6901.
Full textMcEwen, Amiana Marie. "Abundance, Distribution, and Geometry of Naturally Occurring Macropores in Stream Banks." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/95948.
Full textMS
Lockard, Brendan Corbett. "Long Term Hydrologic Effects on Stream Health from Residential Development Patterns." Thesis, Virginia Tech, 2002. http://hdl.handle.net/10919/34013.
Full textHydrologic output from HSPF of the various landuse patterns from the eight scenarios are evaluated using Post Processor, a Visual Basic program. The results show that increased development causes a reduction in Back Creek's baseflow and an increase in the occurrence of both high and low flow extreme events. Overall, these results indicate that increased development will increase the variability of flowrate in Back Creek.
Stream health impacts from flow variability were also analyzed with the Post Processor. First, hydrologic statistical variables with ecological relationships were used to gage the level of stream health impacts from flow variability. The averaged stream health index for the development scenarios was found to closely follow the amount of development, represented by the percent of impervious landuse. Second, the amount of velocity, depth, and both depth and velocity habitat available for three habitat guild representative species was evaluated for each scenario. The results indicated that increased development would lead to a substantial reduction in available riffle species habitat (represented by the fantail darter) and a moderate reduction in run and pool species habitat (represented by the central stoneroller and smallmouth bass, respectively).
Overall, increased development has been found to have a negative impact on stream health. This impact should be considered in any future expansion of the Roanoke suburbs into this watershed.
Master of Science
Ahn, Taejin 1957. "A procedure for the determination of a flow duration curve at an ungaged basin." Thesis, The University of Arizona, 1987. http://hdl.handle.net/10150/276585.
Full text